Do you remember the first time you saw a rainbow as a kid? Something new in the sky, after the rain. And the colors were amazing. I still stop and look whenever I see a rainbow.

Once in a while you can see one or two fainter siblings. But this summer I saw a rainbow without the obligatory rain. And it was beautiful! And instead of touching the horizon, it was all overhead. After a little research it turns out to be a halo, created by light reflecting on ice crystals high up in the sky. Following the descriptions in the wiki I haven’t been able to establish what kind of halo it was, but I’m assuming it is a circumscribed halo.

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